[wp-trac] [WordPress Trac] #20819: Restrict Media Library header image chooser to only images (no audio, video, etc)

[WordPress Trac]

#20819: Restrict Media Library header image chooser to only images (no audio,
video, etc)
------------------------------+-----------------------
 Reporter:  georgestephanis   |       Owner:  ryan
     Type:  defect (bug)      |      Status:  reopened
 Priority:  normal            |   Milestone:  3.4
Component:  Appearance        |     Version:  3.4
 Severity:  normal            |  Resolution:
 Keywords:  has-patch commit  |
------------------------------+-----------------------
Changes (by SergeyBiryukov):

 * status:  closed => reopened
 * resolution:  fixed =>


Comment:

 Replying to [comment:4 ocean90]:
 > We could also use one of our magic functions:  `__return_empty_array()`.

 Actually, no. That hides the file type links when calling the uploader
 window on Edit Post screen as well.

 We need to check for context, like `filter_upload_tabs()` and
 `attachment_fields_to_edit()` do:
 http://core.trac.wordpress.org/browser/trunk/wp-admin/custom-
 header.php?rev=20982#L969

 [attachment:20819.4.patch] fixes the issue and brings the same changes to
 `custom-background.php`.

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Ticket URL: <http://core.trac.wordpress.org/ticket/20819#comment:8>
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